Method, Device, Arrangement and Software for Determining the Angle of Arrival (aoa) for Locating Objects

2. Method according to claim 1, wherein a phase unwrapping is performed in the signal processor.

3. Method according to claim 1, wherein the incoming signals comprise different frequencies, wherein the frequencies are outside coherence bandwidths.

4. Method according to claim 3, wherein the frequencies differ by at least a factor of 2, with the frequencies being outside the coherence bandwidths.

5. Method according to claim 1, wherein a distance d between at least two of the m antennas corresponds to at least half the wavelength of at least one incoming signal.

6. Method according to claim 1, wherein the electrical length of the m antennas differ from each other and wherein a compensation of the different electrical lengths of the m antennas is performed in the signal processor.

7. Method according to claim 1, wherein an estimate of the angle of arrival is provided for measuring an angle of arrival (AOA) for at least 2 of the m antennas.

8. Method according to claim 7, wherein the estimate of the angle of arrival comprises the least-squares method.

10. Device according to claim 9, wherein the device is operated by a self-sufficient energy source.

11. Device according to claim 9, wherein the device is part of a real-time localization system.

12. Device according to claim 9, wherein the device comprises a system-on-a-chip (SoC), which comprises the receiver and/or the signal processor.